package com.bamboocloud.im.controller;

import com.bamboocloud.im.entity.Dept;
import com.bamboocloud.im.service.DeptService;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixCommand;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.discovery.DiscoveryClient;
import org.springframework.web.bind.annotation.*;

import java.util.List;

/**
 * @Auther xuwen
 * @Date 2021/12/9 10:55
 * @Version 1.0
 */
@RestController
public class DeptController {
    @Autowired
    private DeptService deptService;

    @GetMapping("/dept/get/{id}")
    @HystrixCommand(fallbackMethod = "HystrixGet")  //使用hustrix进行熔断处理，防止雪崩效应
    public Dept get(@PathVariable("id") Long id){
        Dept dept =deptService.selectDeptById(id);
        if(dept==null){
            throw new RuntimeException("id=>"+id+",不存在该用户，或者信息无法找到");
        }
        return dept;
    }

    //备选方法
    public Dept HystrixGet(@PathVariable("id") Long id){
    return new Dept()
            .setDeptno(id)
            .setDname("id=>"+id+"没有对应的信息，null--@hystrix")
            .setDb_source("no this datesourse in MySQL");
    }

}
